" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Sudut a + sudut b = 180 derajat
Sudut a = 180 derajat - sudut b
Sudut b = 180 derajat - sudut a
Gambar 2:
3x° + (5x + 20)° = 180°
3x° + 5x° + 20° = 180°
8x° + 20° = 180°
8x° = 160°
x = 20°
3x° = 60°
(5x + 20)° = 120° ATAU 180° - 60° = 120°